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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2024 | Jan. 31, 2023 | Jan. 31, 2022
Summary Of Significant Accounting Policies [Line Items] |  |  |
Highly liquid investments with an original maturity | 90 |  |
Cash of held in foreign bank accounts | $ 2,300 | $ 3,200 |
Net transactional foreign exchange gain (loss) | (83) | (474) | $ (288)
Advertising expense | 1,800 | 1,600 | 1,300
Impairment of Long lived assets held for use | 0 | 0 | 0
Impairment charges for intangible assets | 0 | 0 | 0
Goodwill impairment charges | $ 0 | $ 0 | $ 0
Number of common equivalent shares | 295,370 | 685,667 | 345,085
Liability for self-insured claims | $ 300 | $ 300 |
Gain on Extinguishment of Debt – PPP Loan | 0 | 0 | $ 4,466
Foreign Exchange [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Net transactional foreign exchange gain (loss) | $ (100) | $ (500) | $ (300)
Maximum [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Percentage of revenue satisfied for services | 5.00% |  |
Maximum [Member] | Airborne Product [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Products warranty period | 5 years |  |
Minimum [Member] | Airborne Product [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Products warranty period | 3 years |  |
Land Improvements [Member] | Maximum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives of the assets | 20 years |  |
Land Improvements [Member] | Minimum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives of the assets | 10 years |  |
Building And Leasehold Improvements [Member] | Maximum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives of the assets | 45 years |  |
Building And Leasehold Improvements [Member] | Minimum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives of the assets | 10 years |  |
Machinery and Equipment [Member] | Maximum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives of the assets | 10 years |  |
Machinery and Equipment [Member] | Minimum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives of the assets | 3 years |  |
Computer Equipment And Software [Member] | Maximum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives of the assets | 10 years |  |
Computer Equipment And Software [Member] | Minimum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Estimated useful lives of the assets | 3 years |  |

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